Food Web Crash Course

Losing the decomposers in a food chain would completely mess up ___

• the Lion King movie

• a clean desk

• the nice balance

• the garbage

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NGSS.MS-LS2-1

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Organisms, like bacteria, insects and worms, that break down waste are called ___

• carnivore

• herbivores

• decomposers

• omnivores

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Energy flows through a system of living things in a "what eats what" model called ___

• the carbon cycle

• a food chain

• the water cycle

• an energy line

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In an ecosystem, decomposers break down ___

• nutrients

• waste

• insects

• worms

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NGSS.MS-LS2-3

The diagram shows a prairie food web. In the food web shown, all of the following are consumers EXCEPT – (a)  

• Prairie Grass

• Mountain Lion

• Squirrel

• Robin

Use the food web pictured.

A farmer is using chemicals nearby, which ends up destroying the grass. The ​ (a)   populations would decrease since they consume the grass. The ​ (b)   populations would also decrease since their food sources have decreased. Lastly, the ​ (c)   populations would decrease.

• grasshopper, mouse, and rabbit

• bird, frog, owl, and fox

• snake and hawk

• frog, mouse, and rabbit

• snake, owl, and fox

• bird, frog, and mouse

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NGSS.MS-LS2-1

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The picture represents a partial food web. Complete the statement below using the word provided.

Organisms in a forest ecosystem depend on each other to survive. ​ (a)   use the energy from the sun for photosynthesis. The raccoon is a ​ (b)   because it consumes other organisms to obtain energy. The owl is a consumer because it depends on other ​ (c)   for energy. Finally, Fungus are the food web's ​​ (d)   because they break down dead organisms into nutrients for the soil.

Una red alimentaria parcial se muestra en la imagen. Usa las palabras correctas para completar las frases.

Los organismos en el ecosistema del bosque necesitan uno del otro para sobrevivir. ​ Los ... usan la energía del sol para la fotosíntesis. El mapache es un ..... porque consume a otros organismos para obtener energía. La lechuza en un consumidor porque depende de otros .... para obtener energía. Finalmente, los hongos son los ... de esta red alimenticia porque se encargan de reciclar los organismos muertos en nutrientes para la tierra.

• Producers/Productores

• Consumer/Consumidor

• organisms/organismos

• decomposer/descomponedor

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A student researches an ecosystem and draws the food web shown. How many secondary consumers are in this food web? Record your answer in the space provided.​ (a)  

• 5

• 4

• 2

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Look at the food web and select the organism that is considered a carnivore.

Identify the organisms in this food web with their categories.

• Primary Consumer

• Snake

• Producer

• Eagle

• Secondary Consumer

• Deer

• Tertiary Consumer (or apex predator)

• Tree

Tags

NGSS.MS-LS2-1

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